<template>
	<header>
	    <nav class="navbar navbar-expand-lg navbar-light bg-light">
	      <a class="py-2" href="#">
	        <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="d-block mx-auto"><circle cx="12" cy="12" r="10"></circle><line x1="14.31" y1="8" x2="20.05" y2="17.94"></line><line x1="9.69" y1="8" x2="21.17" y2="8"></line><line x1="7.38" y1="12" x2="13.12" y2="2.06"></line><line x1="9.69" y1="16" x2="3.95" y2="6.06"></line><line x1="14.31" y1="16" x2="2.83" y2="16"></line><line x1="16.62" y1="12" x2="10.88" y2="21.94"></line></svg>
	      </a>
	      <a href="/" class="navbar-brand">Pizza点餐系统</a>
	      <ul class="navbar-nav">
	        <!-- <li><router-link tag="div" to="/" class="nav-link">主页</router-link></li> -->
	        <!-- <li><router-link :to="homeLink" class="nav-link">主页</router-link></li> -->
	        <li><router-link to="/" class="nav-link">主页</router-link></li>
	        <li><router-link to="/Menu" class="nav-link">菜单</router-link></li>
	        <li><router-link to="/Admin" class="nav-link">管理</router-link></li>
	        <li><router-link to="/About" class="nav-link">关于我们</router-link></li>
	      </ul>
			
	      <ul class="navbar-nav ml-auto">
	        <li>
	        	<router-link to="/Login" class="nav-link" v-show="!isLogin">登录</router-link>
	        </li>
	        <li class="nav-link" v-show="isLogin">
	        	{{currentUser}}
	        </li>
	        <li>
	        	<router-link to="/Login" class="nav-link" v-show="isLogin">[退出]</router-link>
	        </li>
	        <li>
	        	<router-link to="/Register" class="nav-link" v-show="!isLogin">注册</router-link>
	        </li>
	      </ul>
	    </nav>
  </header>
</template>

<script>
	export default{
		
		computed:{
			currentUser(){
				return this.$store.getters.currentUser;
			},
			isLogin(){
				return this.$store.getters.isLogin;
			}
		}
	}
</script>

<style scoped="scoped">
	a{
		cursor: pointer;
	}
</style>